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Household Salt Substitution for Hypertension Prevention and Control: The HOME-Salt Trial (HOME-Salt)

2 november 2026 uppdaterad av: Xianghui Zhang, Shihezi University

Household-Oriented Salt Substitution for CoMprehensive Hypertension PrEvention and Control: A Cluster-Randomized, Double-Blind Controlled Trial (HOME-Salt Trial)

Hypertension is a major risk factor for cardiovascular disease. Excess sodium intake and insufficient potassium intake contribute to elevated blood pressure, while replacing regular salt with a potassium-enriched salt substitute may help lower blood pressure. Because cooking salt is commonly shared within households, a household-based salt substitution strategy may provide benefits not only for people with hypertension but also for family members who have not yet developed hypertension.

The HOME-Salt Trial is a cluster-randomized, double-blind controlled trial designed to evaluate the effects of household salt substitution on hypertension prevention and control. Eligible households will include at least one adult with diagnosed hypertension and at least one adult without hypertension at baseline. Households will be randomly assigned in a 1:1 ratio to receive either a low-sodium salt substitute or regular salt for 12 months.

Approximately 400 households, including at least 800 adults, will be enrolled. Participants, field staff, and outcome assessors will be unaware of treatment assignment. Follow-up assessments will be conducted at 3, 6, and 12 months. The study will evaluate whether household use of low-sodium salt improves blood pressure control among adults with hypertension and reduces the development of hypertension among adults without hypertension at baseline. Blood pressure, medication use, sodium and potassium intake indicators, safety outcomes, and other health-related measures will also be assessed.

Studieöversikt

Status

Har inte rekryterat ännu

Betingelser

Intervention / Behandling

Studietyp

Interventionell

Inskrivning (Beräknad)

800

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studieorter

  • Kina
    • Xinjiang
      • Shihezi, Xinjiang, Kina, 832000
        • Shihezi City People's Hospital
        • Kontakt:

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år och äldre (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Ja

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

Household-level criteria:

  • The household includes at least one adult aged 18 years or older with diagnosed hypertension.
  • The household includes at least one adult aged 18 years or older without hypertension at baseline.
  • Household members primarily share cooking and meals.
  • All adult household members intended to be included in study evaluations provide written informed consent.

Participant-level criteria:

  • Aged 18 years or older.
  • Long-term resident of the study area with no plan to move away during the following 12 months.
  • Consumes most meals at home.
  • Provides written informed consent.

Exclusion Criteria:

Household-level criteria:

  • The household is currently using low-sodium salt or another potassium-containing salt substitute on a long-term basis.
  • Any household member who routinely shares meals has a contraindication to potassium-enriched salt or is at increased risk of hyperkalemia, including chronic kidney disease, estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m², a history of dialysis, or a history of hyperkalemia.
  • Any household member who routinely shares meals is pregnant.
  • Any household member who routinely shares meals has hyperthyroidism.

Participant-level criteria:

  • Currently participating in another interventional study that may affect blood pressure, sodium or potassium intake, or study outcomes.
  • Serious cardiovascular or cerebrovascular disease, severe liver disease, malignant tumor, severe mental illness, cognitive impairment, or another condition considered unsuitable for study participation.
  • Unable to complete follow-up visits, standardized blood pressure measurements, or required data collection.
  • Any other condition that, in the investigator's judgment, makes the individual unsuitable for participation.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Övrig
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Fyrdubbla

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Low-Sodium Salt Group
Kosttillskott: Low-Sodium Salt Substitute

Low-sodium salt containing approximately 75% sodium chloride and 25% potassium chloride. It will replace the household's usual cooking and table salt throughout the 12-month intervention period.
Aktiv komparator: Regular Salt Group
Kosttillskott: Regular Salt

Regular salt containing approximately 99.8% sodium chloride. It will replace the household's usual cooking and table salt throughout the 12-month intervention period.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Proportion of Participants With Failure of Hypertension Prevention or Control
Tidsram: From randomization to Month 12

A participant-level composite outcome. For participants with hypertension at baseline, failure of hypertension control is defined as a mean systolic blood pressure (SBP) ≥140 mmHg and/or mean diastolic blood pressure (DBP) ≥90 mmHg based on three standardized office blood pressure measurements at Month 12. For participants without hypertension at baseline, failure of hypertension prevention is defined as incident hypertension during follow-up, including a mean SBP ≥140 mmHg and/or mean DBP ≥90 mmHg based on three standardized office measurements, a new diagnosis of hypertension, or initiation of antihypertensive medication.
From randomization to Month 12

Sekundära resultatmått

Resultatmått
Tidsram
Proportion of Participants With Hypertension Who Have Controlled Blood Pressure at Month 12
Tidsram: Month 12
Month 12
Change in Systolic Blood Pressure Among Participants With Hypertension
Tidsram: Baseline to Month 12
Baseline to Month 12
Change in Diastolic Blood Pressure Among Participants With Hypertension
Tidsram: Baseline to Month 12
Baseline to Month 12
Proportion of Participants With Hypertension Who Have Controlled Mean Blood Pressure During Follow-up
Tidsram: Months 3, 6, and 12
Months 3, 6, and 12
Incidence of Hypertension Among Participants Without Hypertension at Baseline
Tidsram: From randomization to Month 12
From randomization to Month 12
Change in Systolic Blood Pressure Among Participants Without Hypertension at Baseline
Tidsram: Baseline to Month 12
Baseline to Month 12
Change in Diastolic Blood Pressure Among Participants Without Hypertension at Baseline
Tidsram: Baseline to Month 12
Baseline to Month 12
Proportion of Households With Successful Hypertension Prevention and Control
Tidsram: From randomization to Month 12
From randomization to Month 12

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Shihezi University

Samarbetspartners

The General Hospital of the Eighth Division (The Third Affiliated Hospital of Shihezi University Medical College)

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

1 november 2026

Primärt slutförande (Beräknad)

1 december 2027

Avslutad studie (Beräknad)

1 december 2027

Studieregistreringsdatum

Först inskickad

20 september 2026

Först inskickad som uppfyllde QC-kriterierna

20 september 2026

Första postat (Faktisk)

25 september 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

3 november 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

2 november 2026

Senast verifierad

1 september 2026

Mer information

Termer relaterade till denna studie

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • HOME-SALT-2026-01
  • KYLL-2026-61 (Annan identifierare: Shihezi City People's Hospital Ethics Committee)

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

Deidentified individual participant data underlying the results reported in publications from this trial may be shared with qualified researchers upon reasonable request and approval by the study investigators. Data sharing will be subject to applicable ethical, privacy, and institutional requirements.

Tidsram för IPD-delning

Beginning 12 months after publication of the primary study results and available for 5 years

Kriterier för IPD Sharing Access

Deidentified individual participant data and supporting information may be made available to qualified researchers upon reasonable request. Requests will be reviewed by the study investigators and, where applicable, relevant institutional or ethics committees. Data will be shared only for scientifically appropriate purposes and subject to an appropriate data use agreement.

IPD-delning som stöder informationstyp

  • STUDY_PROTOCOL
  • SAV
  • ANALYTIC_CODE

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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